The 3M™ MicroTouch™ system SCT3250EX (surface capacitive touch technology) provides fast, accurate and reliable touch response with operation unaffected by on-screen contaminants and offers premium optical characteristics. 3M™ touch systems has more than 25 years of surface capacitive technology expertise and specifically designed the 3M™ MicroTouch™ system SCT3250EX to meet the performance requirements of display applications ranging from 5.7 to 32 inches. As an all-glass design, the SCT3250EX touch system offers light transmission up to 11.5% better than typical resistive sensors and 3.5% better than typical surface capacitive sensors (based on published specifications).